HomeHVAC > RelaysFour Seasons 35844 HVAC Relay
Part #: 35844

Four Seasons 35844 HVAC Relay

Relay
⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Relay
🚗Fitment: Nissan, INFINITI, and Mercury, Tsuru, FX35, FX45, Villager, Q45, 240SX, Sentra, 300ZX, Maxima, and 280ZX
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Reliable HVAC Relay for Infiniti, Mercury, and Nissan Vehicles

The Four Seasons Relay 35844 is a 12-volt HVAC relay designed to meet or exceed OEM specifications. Engineered for use in select Infiniti, Mercury, and Nissan models, this gray standard relay ensures consistent performance in your vehicle's heating, ventilation, and air conditioning system.

Key Features of Four Seasons Relay 35844

  • Voltage: 12 volts for standard automotive electrical systems
  • Amperage rating: 20 amps to handle HVAC system loads
  • Terminal type: Blade terminals with 6 terminal quantity
  • Connector gender: Female connector with male terminals
  • Color: Gray housing with skirt design for secure fit
  • Style: Standard relay without bracket included
  • Connector shape: Unique design for proper fitment
  • Meets or exceeds OEM quality standards

About the Four Seasons Relay Product Line

The Four Seasons Relay line focuses on providing reliable and durable relays specifically engineered for automotive HVAC systems. The Relay 35844 is part of this line, offering a standard relay style that integrates seamlessly with factory wiring harnesses. This product line emphasizes compatibility and quality to maintain proper HVAC function in vehicles such as the Infiniti FX35, Nissan Maxima, and Mercury Villager.

Detailed Product Description

This HVAC relay operates at 12 volts and supports up to 20 amps, making it suitable for controlling the electrical flow within your vehicle’s heating and cooling system. Featuring six blade terminals with a combination of male and female connectors, the Relay 35844 ensures secure and reliable electrical connections. The gray color and skirt design help with proper installation and protection against environmental factors. This relay is designed without a mounting bracket, allowing for flexible installation options depending on the vehicle’s configuration.

Common Applications and Issues Addressed

  • Restores HVAC system functionality in Infiniti 240SX and Nissan Sentra models
  • Resolves intermittent blower motor operation in Mercury Villager and Nissan 300ZX
  • Prevents HVAC relay failure that can cause loss of heating or air conditioning
  • Addresses electrical relay faults in Infiniti Q45 and Nissan FX45
  • Ensures consistent relay performance in Nissan 280ZX and Maxima HVAC systems

Installation Notes and Tips

  • Verify vehicle compatibility with Infiniti, Mercury, and Nissan models listed
  • Ensure the relay terminals match the factory wiring harness connectors
  • Handle the relay carefully to avoid bending blade terminals
  • Check for secure seating of the relay in the HVAC relay socket
  • Consult vehicle service manual for specific relay location and replacement procedures

Quality Assurance and Warranty

The Four Seasons Relay 35844 meets or exceeds OEM standards, providing reliable operation for your vehicle’s HVAC system. Manufactured with quality materials and tested for durability, this relay supports consistent electrical performance. Warranty coverage details should be confirmed with the product supplier or manufacturer.

BrandFour Seasons
Part Number35844
PositionRelay
Amperage Rating20
Bracket?w/o Bracket
Colorgray
Connector Genderfemale
Connector ShapeOther design
DescriptionRelays
Meets / Exceeds OEM?Yes
Skirt?Yes
StyleStandard Relay
Terminal GenderMale
Terminal Quantity6
Terminal TypeBlade
TypeStandard
Voltage12

This part fits 44 vehicles. Search below:

YearMakeModelPositionNotes
2007INFINITIFX35N/ARelay
2007INFINITIFX45N/ARelay
2006INFINITIFX35N/ARelay
2006INFINITIFX45N/ARelay
2005INFINITIFX35N/ARelay
2005INFINITIFX45N/ARelay
2004INFINITIFX35N/ARelay
2004INFINITIFX45N/ARelay
2003INFINITIFX35N/ARelay
2003INFINITIFX45N/ARelay
2002MercuryVillagerN/ARelay
2001MercuryVillagerN/ARelay
2000MercuryVillagerN/ARelay
1999MercuryVillagerN/ARelay
1998MercuryVillagerN/ARelay
1998NissanSentraN/A6 Term.
1997MercuryVillagerN/ARelay
1997NissanSentraN/A6 Term.
1996MercuryVillagerN/ARelay
1996NissanSentraN/A6 Term.
1995MercuryVillagerN/ARelay
1995NissanSentraN/A6 Term.
1994MercuryVillagerN/ARelay
1993MercuryVillagerN/ARelay
1991INFINITIQ45N/AA/C Control; Niles; Relay
1990Nissan240SXN/ARelay
1990NissanSentraN/ARelay
1989Nissan240SXN/ARelay
1989Nissan300ZXN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1989NissanSentraN/ARelay
1988Nissan300ZXN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1988NissanMaximaN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1988NissanSentraN/ARelay
1987Nissan300ZXN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1987NissanMaximaN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1987NissanSentraN/ARelay
1986Nissan300ZXN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1986NissanMaximaN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1986NissanSentraN/ARelay
1985Nissan300ZXN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1985NissanMaximaN/AA/C Control; w/ ATC (Automatic Temperature Control); Relay
1984Nissan300ZXN/AA/C Control; w/ ATC (Automatic Temperature Control); From 7/83; Relay
1984NissanMaximaN/AA/C Control; w/ ATC (Automatic Temperature Control); From 7/84; Relay
1983Nissan280ZXN/AA/C Control; w/ ATC (Automatic Temperature Control); From 7/83; Relay

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1113584415593017112861918937719415199332087822161824418425230C996225230C996B25230C9972358444736651480173288999683AC8511HS184MT0586RE4477

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.